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swaps to.
Signed-off-by: Dave Airlie <airlied@linux.ie>
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of pipe number.
Handle relative as well as absolute target sequence numbers.
Return error if target sequence has already passed, so userspace can deal with
this situation as it sees fit.
On success, return the sequence number of the vertical blank when the buffer
swap is expected to take place.
Also add DRM_IOCTL_I915_VBLANK_SWAP definition for userspace code that may want
to use ioctl() instead of drmCommandWriteRead().
Signed-off-by: Dave Airlie <airlied@linux.ie>
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This uses the core facility to schedule a driver callback that will be called
ASAP after the given vertical blank interrupt with the HW lock held.
Signed-off-by: Dave Airlie <airlied@linux.ie>
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This is a patch prepared by Guangdeng Liao based off of Tungsten Graphics's
final code drop.
From: Alan Hourihane <alanh@tungstengraphics.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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i915 vblanks can be generated from either pipe a or b, however a disabled
pipe generates no interrupts. This change allows the X server to select
which pipe generates vblank interrupts.
From: Keith Packard <keith.packard@intel.com> via DRM CVS
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Fix CMDBUFFER path, add heap destroy and flesh out sarea for rotation
(Tungsten Graphics)
From: Alan Hourihane <alanh@tungstengraphics.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Add support for vblank ioctls to i915 driver
From: Dave Airlie <airlied@linux.ie>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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From: Alan Hourihane
Signed-off-by: David Airlie <airlied@linux.ie>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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